!! used as default html header if there is none in the selected theme. OEF vectors 2D

# OEF vectors 2D --- Introduction ---

This module contains actually 11 exercises on vectors in 2D (linear combinations, angle, length, scalar product, vector product, etc.).

### Area of parallelogram

(,) , (,) , (,) , (,).

### Area of pentagon

= (,), = (), = (), = (), = ().

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= (,), = (), = (,), = ().

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### Linear relation

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Other exercises on:

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• Description: collection of exercises on 2D vectors. interactive exercises, online calculators and plotters, mathematical recreation and games, Pôle Formation CFAI-CENTRE
• Keywords: CFAI,interactive math, server side interactivity, algebra, linear_algebra, geometry, vectors, cross_product, polygons,euclidean_geometry